Classify the function as a polynomial function, rational function, or root function, and then find the domain. Write the domain in interval notation.g(x) = 
A. rational function; (-?, 0) ? (0, ?)
B. rational function; (-?, ?)
C. rational function; (16, ?)
D. rational function; (-?, -4) ? (-4, 4) ? (4, ?)
Answer: D
Mathematics
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Find the potential function f for the field F.F = sec2 x sin2 yi + 2 tan x sin y cos yj + 7z6k
A. f(x, y, z) = -sec x sin2 y + z7 + C B. f(x, y, z) = sec x sin2 y + z7 + C C. f(x, y, z) = sec x sin2 y + z + C D. f(x, y, z) = tan x sin2 y + z7 + C
Mathematics
Determine whether the improper integral converges or diverges.
A. Converges B. Diverges
Mathematics
Rationalize the denominator.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.x-2/5 ? x3/5
A. x6/5 B. x1/5 C. x5/6 D. x-1/5
Mathematics